Alloy UI checkbox return datatype

If am writing this below mentioned code in my jsp file along with alloy UI, what data type I will be receiving in my Java class as a response.

And what code I have to write to retrieve my selections ?

    <%
            for (Manufacturer manufacturer : manufacturers) {
        %>
        <aui:input type="checkbox" name="location"
            value="<%=manufacturer.getManufacturerId()%>"
            label="<%=manufacturer.getName()%>"/>
        <%
            }
        %>